// ============================================================================
//
// Copyright (C) 2006-2007 Dengues
//
// Google Group: http://groups.google.com/group/dengues
//
// QQ Group: 24885404
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ============================================================================
package dengues.system;

import java.util.ArrayList;
import java.util.List;

/**
 * Qiang.Zhang.Adolf@gmail.com class global comment. Detailled comment <br/>
 * 
 * $Id: Dengues.epf Qiang.Zhang.Adolf@gmail.com 2008-6-18 qiang.zhang $
 * 
 */
public class MemoryDataHash<E> {

    int currentIndex = 0;

    List<E> dataList = new ArrayList<E>();

    /**
     * Qiang.Zhang.Adolf@gmail.com Comment method "put".
     * 
     * @param obj
     */
    public void put(E obj) {
        dataList.add(obj);
    }

    /**
     * Getter for dataList.
     * 
     * @return the dataList
     */
    public List<E> getDataList() {
        return this.dataList;
    }

    /**
     * Qiang.Zhang.Adolf@gmail.com Comment method "next".
     * 
     * @return
     */
    public E next() {
        int i = currentIndex++;
        E e = null;
        if (dataList.size() > i) {
            e = dataList.get(i);
        }
        return e;
    }

    /**
     * Qiang.Zhang.Adolf@gmail.com Comment method "endGet".
     */
    public void endGet() {
        currentIndex = 0;
    }
}
